RESOLVED FIXED 194870
IndexedDB: leak UniqueIDBDatabase in layout tests 
https://bugs.webkit.org/show_bug.cgi?id=194870
Summary IndexedDB: leak UniqueIDBDatabase in layout tests
Sihui Liu
Reported 2019-02-20 14:10:41 PST
Example leak: STACK OF 4 INSTANCES OF 'ROOT CYCLE: malloc<16>': [thread 0x1146ea5c0]: 20 libdyld.dylib 0x1102dfca1 start + 1 19 com.apple.WebKit 0x10d7d506d 0x10d6db000 + 1024109 18 libxpc.dylib 0x1105c5ca7 xpc_main + 143 17 libxpc.dylib 0x1105c37d2 _xpc_objc_main + 555 16 com.apple.Foundation 0x10d195200 -[NSRunLoop(NSRunLoop) run] + 76 15 com.apple.Foundation 0x10d194fe0 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 211 14 com.apple.CoreFoundation 0x10f52c9f2 CFRunLoopRunSpecific + 626 13 com.apple.CoreFoundation 0x10f52d24f __CFRunLoopRun + 1295 12 com.apple.CoreFoundation 0x10f532bcf __CFRunLoopDoSources0 + 255 11 com.apple.CoreFoundation 0x10f533391 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17 10 com.apple.Foundation 0x10d1ab910 __NSThreadPerformPerform + 331 9 JavaScriptCore 0x113308a49 WTF::dispatchFunctionsFromMainThread() + 249 memory:2633 8 JavaScriptCore 0x1132ec0ef WTF::CrossThreadTaskHandler::handleTaskRepliesOnMainThread() + 239 memory:2633 7 com.apple.WebCore 0x1153e5cb4 WebCore::IDBServer::UniqueIDBDatabase::executeNextDatabaseTaskReply() + 196 UniqueIDBDatabase.cpp:1783 6 com.apple.WebCore 0x1153d8221 WebCore::IDBServer::UniqueIDBDatabase::handleDatabaseOperations() + 65 UniqueIDBDatabase.cpp:375 5 com.apple.WebCore 0x1153d9b34 WebCore::IDBServer::UniqueIDBDatabase::handleCurrentOperation() + 36 UniqueIDBDatabase.cpp:0 4 com.apple.WebCore 0x1153d861b WebCore::IDBServer::UniqueIDBDatabase::performCurrentOpenOperation() + 635 memory:2603 3 com.apple.WebCore 0x1153e76be WebCore::IDBServer::UniqueIDBDatabaseConnection::UniqueIDBDatabaseConnection(WebCore::IDBServer::UniqueIDBDatabase&, WebCore::IDBServer::ServerOpenDBRequest&) + 62 atomic:985 2 JavaScriptCore 0x1132fb6a1 WTF::fastMalloc(unsigned long) + 97 Allocator.h:0 1 JavaScriptCore 0x11336ee1c bmalloc::DebugHeap::malloc(unsigned long) + 12 DebugHeap.cpp:49 0 libsystem_malloc.dylib 0x110526bf8 malloc_zone_malloc + 139 ==== 83 (14.5K) << TOTAL >> ---- 19 (3.86K) ROOT CYCLE: 0x7f85daf00e40 [16] 18 (3.84K) ROOT CYCLE: 0x7f85daf0c020 [768] CYCLE BACK TO 0x7f85daf00e40 [16] 1 (48 bytes) ROOT CYCLE: 0x7f85daf0c500 [48] 1 (32 bytes) ROOT CYCLE: 0x7f85daf02c10 [32] 3 (848 bytes) 0x7f85daf02540 [48] 2 (800 bytes) 0x7f85de902610 [768] 1 (32 bytes) 0x7f85daf051e0 [32] 1 (432 bytes) 0x7f85daf13a10 [432] 1 (432 bytes) 0x7f85daf14360 [432] 1 (432 bytes) 0x7f85de804710 [432] 1 (192 bytes) 0x7f85dac01550 [192] 1 (192 bytes) 0x7f85daf0c3e0 [192] 1 (128 bytes) 0x7f85dac025f0 [128] 1 (128 bytes) 0x7f85dac09670 [128] 1 (128 bytes) 0x7f85dad01fd0 [128] 1 (64 bytes) 0x7f85daf00220 [64] 1 (48 bytes) 0x7f85daf01d70 [48] 1 (32 bytes) 0x7f85daf02430 [32] 1 (32 bytes) 0x7f85daf02bf0 [32]
Attachments
Patch (2.09 KB, patch)
2019-02-20 14:34 PST, Sihui Liu 		no flags
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Sihui Liu
Comment 1 2019-02-20 14:31:44 PST
<rdar://problem/48163812>
Sihui Liu
Comment 2 2019-02-20 14:34:53 PST
Created attachment 362543 [details] Patch
Geoffrey Garen
Comment 3 2019-02-20 15:48:08 PST
Comment on attachment 362543 [details] Patch r=me
WebKit Commit Bot
Comment 4 2019-02-21 15:06:28 PST
Comment on attachment 362543 [details] Patch Clearing flags on attachment: 362543 Committed r241913: <https://trac.webkit.org/changeset/241913>
WebKit Commit Bot
Comment 5 2019-02-21 15:06:30 PST
All reviewed patches have been landed. Closing bug.
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